Sakh.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “//a.sakh.com/a/648/12454/kupola_spec_ceni_canvas SAKH_800-90_001.html?1512168535” for attribute “src” on element “iframe”: Illegal character in path segment: space is not allowed.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
Attribute “seamless” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “noindex” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “span”.
The “big” element is obsolete. Use CSS instead.
The “center” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Potentially bad value “allow-same-origin allow-scripts allow-forms” for attribute “sandbox” on element “iframe”: Setting both “allow-scripts” and “allow-same-origin” is not recommended, because it effectively enables an embedded page to break out of all sandboxing.
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